The Bank of England has partnered with researchers at University College London to help it create a centrally controlled digital currency.
The newly-developed RSCoin uses cryptography to combat counterfeiting, and unlike the technology underpinning Bitcoin, the blockchain, RSCoin is controlled by a central body.
Blockchain is distributed ledger technology where a network of computers record transactions. Each computer must approve a transaction before it is recorded in a new "block".
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http://www.itnews.com.au/news/bank-of-england-working-on-bitcoin-alternative-rscoin-416779#ixzz42YUmX0Sz